Atosiban
Also known as: oxytocin-vasopressin antagonist, tractocile research
Oxytocin and vasopressin receptor antagonist studied as tocolytic in preterm labor models.
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Overview
Chemical compound
Atosiban, sold under the brand name Tractocile among others, is an inhibitor of the hormones oxytocin and vasopressin. It is used as an intravenous medication as a labour repressant (tocolytic) to halt premature labor. It was developed by Ferring Pharmaceuticals in Sweden and first reported in the literature in 1985. Originally marketed by Ferring Pharmaceuticals, it is licensed in proprietary and generic forms for the delay of imminent preterm birth in pregnant adult women.
Mechanism of Action
Atosiban, sold under the brand name Tractocile among others, is an inhibitor of the hormones oxytocin and vasopressin. It is used as an intravenous medication as a labour repressant (tocolytic) to halt premature labor. It was developed by Ferring Pharmaceuticals in Sweden and first reported in the literature in 1985. Originally marketed by Ferring Pharmaceuticals, it is licensed in proprietary and generic forms for the delay of imminent preterm birth in pregnant adult women.
What Researchers Are Saying
Community Reports - Not Medical Advice
The following is aggregated from public forums, Reddit, and research communities. These are anecdotal reports from researchers only - not verified clinical data and not a recommendation of any kind.
Atosiban (also known as oxytocin-vasopressin antagonist, tractocile research) is studied within the peptide research community. Oxytocin and vasopressin receptor antagonist studied as tocolytic in preterm labor models.
Last updated October 28, 2026
Research status: active. Atosiban appears across peptide research forums and academic literature. Researchers note this compound falls in the other category.
Last updated October 28, 2026
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